109th Chicago Yacht Club Race to Mackinac This event occurred in the past.

More than 300 boats have registered for the 109th Chicago Yacht Club Race to Mackinac presented by Wintrust, one of the world’s longest-running freshwater distance races. “The Mac”, which takes most competitors well over 24 hours to complete, is a 333-mile sprint from the Chicago Lighthouse, just east of Navy Pier, to the Round Island Channel near Mackinac Island, Michigan.